CN117821766A - Electroslag remelting device for steel ingot processing - Google Patents
Electroslag remelting device for steel ingot processing Download PDFInfo
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- CN117821766A CN117821766A CN202410071928.2A CN202410071928A CN117821766A CN 117821766 A CN117821766 A CN 117821766A CN 202410071928 A CN202410071928 A CN 202410071928A CN 117821766 A CN117821766 A CN 117821766A
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- plate
- cavity
- crystallization
- electroslag remelting
- reaction
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 79
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims abstract description 51
- 238000004140 cleaning Methods 0.000 claims abstract description 50
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000005192 partition Methods 0.000 claims abstract description 43
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000003546 flue gas Substances 0.000 claims abstract description 39
- 239000007787 solid Substances 0.000 claims abstract description 24
- 238000002425 crystallisation Methods 0.000 claims description 78
- 230000008025 crystallization Effects 0.000 claims description 78
- 238000001816 cooling Methods 0.000 claims description 41
- 239000000779 smoke Substances 0.000 claims description 18
- 239000002826 coolant Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000036541 health Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000007789 gas Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
- C22B9/18—Electroslag remelting
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to the technical field of electroslag remelting, in particular to an electroslag remelting device for steel ingot processing, which comprises a reaction barrel, a partition plate, a plugging plate and a cleaning plate, wherein a first cavity in the reaction barrel is divided into a reaction cavity and a collecting cavity under the action of the partition plate, the electroslag remelting is carried out in the reaction cavity, flue gas generated by the reaction enters the collecting cavity through an air vent on the partition plate, and the crystallizing plate is always in a low-temperature state because the collecting cavity is provided with a crystallizing plate, after the flue gas contacts the crystallizing plate, gaseous aluminum fluoride in the flue gas is crystallized on the crystallizing plate, the flue gas is discharged out of the collecting cavity through an air vent after the flue gas contacts the crystallizing plate, and along with the continuous progress of the reaction, the cleaning plate cleans aluminum fluoride solids crystallized on the crystallizing plate, so that the crystallizing plate can be fully contacted with the flue gas, the flue gas is prevented from being directly discharged out of the collecting cavity without contacting the crystallizing plate, and the risk probability of health of operators is further reduced.
Description
Technical Field
The invention relates to the technical field of electroslag remelting, in particular to an electroslag remelting device for steel ingot processing.
Background
Electroslag metallurgy is a new special metallurgical technology and plays a significant role in the special steel industry. The technology is getting wider and wider application. However, a large amount of harmful gas and smoke dust are emitted in the electroslag remelting process, wherein the harmful gas is aluminum fluoride, and the aluminum fluoride gas can outwards fly along with the smoke gas, so that the health of operators is endangered, and environmental pollution is caused.
In order to reduce pollutants generated in the electroslag remelting process, the conventional electroslag remelting device often adopts an air extractor at the top of a crystallizer to directly extract polluted gas, and then enters a dust removal system for treatment. In the prior art, for example, chinese patent publication No. CN112593087B discloses a device and a method for reducing pollutant emission and reducing gas content of electroslag ingot in electroslag remelting process, in which cooling treatment is used to condense gaseous aluminum fluoride, but the flow of gaseous pollutant in the publication is disordered, so that the gaseous aluminum fluoride can be condensed unevenly on copper plate, and gaseous aluminum fluoride can escape outwards at the position of refractory cotton, resulting in incomplete collection of aluminum fluoride, and the position of refractory cotton is blocked with time accumulation, so that pressure in reaction chamber is not released, and safety accident is caused.
Disclosure of Invention
The invention provides an electroslag remelting device for steel ingot processing, which aims to solve the problem of incomplete waste gas treatment of the existing electroslag remelting device.
The invention relates to an electroslag remelting device for steel ingot processing, which adopts the following technical scheme:
an electroslag remelting device for steel ingot processing comprises a reaction barrel, a partition plate, a plugging plate and a cleaning plate.
The reaction barrel is provided with a first chamber with an upward opening; the baffle plate is coaxially and slidingly arranged in the first cavity, and can divide the first cavity into a reaction cavity and a collecting cavity; the baffle plate is provided with ventilation holes, and flue gas generated in the reaction cavity can enter the collection cavity through the ventilation holes; the sealing plate always seals the opening of the first chamber, a crystallization plate is fixedly arranged on the sealing plate and is arranged in the collecting cavity, gaseous aluminum fluoride can be crystallized when smoke contacts the crystallization plate, an exhaust port is arranged on the sealing plate, and the smoke entering the collecting cavity can be discharged out of the collecting cavity through the exhaust port after contacting the crystallization plate; the cleaning plate can be arranged in the collecting cavity in a sliding mode, and the cleaning plate is used for cleaning solid aluminum fluoride on the crystallization plate.
Further, the crystallization plate is arranged in a vortex shape, the upper end of the crystallization plate is fixedly connected with the plugging plate, and the lower end of the crystallization plate can be abutted against the partition plate, so that the crystallization plate is provided with a vortex-shaped air guide channel which is provided with an air inlet; the air holes are positioned at the periphery of the air guide channel, and the air exhaust openings are arranged at the positions of the vortex-shaped air guide channel close to the spiral core.
Further, be provided with the first through groove that is the vortex on the cleaning plate, the crystallization board passes first through groove, and the lateral wall of air ducting is laminated to the cleaning plate.
Further, the crystallization plate is internally provided with a cooling cavity, a cooling agent is arranged in the cooling cavity, and the cooling cavity is communicated with a heat exchange circulation system so that the cooling agent in the crystallization plate circularly flows.
Further, the knocking hammer can be arranged in the air guide channel, and the cleaning plate can squeeze the knocking hammer when sliding in the air guide channel, so that the knocking hammer knocks the side wall of the air guide channel.
Further, be provided with the second that is the vortex on the baffle and run through the groove, the crystallization board can run through the second, and the baffle can laminate the lateral wall of wind-guiding passageway.
Further, the partition plate is provided with a spiral bulge, the vertical section of the spiral bulge is triangular, and the spiral bulge can enter the air guide channel.
Further, a first driving source and a second driving source are arranged on the plugging plate, and the first driving source is used for driving the cleaning plate to slide up and down in the collecting cavity; the second driving source is used for driving the partition plate to slide up and down in the first cavity.
Further, a metal consumable electrode is arranged in the reaction barrel, and penetrates through the partition plate, the cleaning plate, the crystallization plate and the plugging plate.
Further, the reaction barrel outside is provided with first cooling cover and second cooling cover, and first cooling cover sets up in the periphery outside of reaction barrel, and the second cooling cover sets up in the bottom of reaction barrel.
The beneficial effects of the invention are as follows: according to the electroslag remelting device for steel ingot processing, the reaction barrel, the partition plate, the plugging plate and the cleaning plate are arranged, the first cavity in the reaction barrel is divided into the reaction cavity and the collecting cavity under the action of the partition plate, electroslag remelting is carried out in the reaction cavity, smoke generated by reaction enters the collecting cavity through the air holes in the partition plate, the crystallization plate is always in a low-temperature state due to the fact that the crystallization plate is arranged in the collecting cavity, after the smoke contacts the crystallization plate, gaseous aluminum fluoride in the smoke is crystallized on the crystallization plate, the smoke is discharged out of the collecting cavity through the air outlet after contacting the crystallization plate, along with the continuous progress of reaction, the cleaning plate cleans aluminum fluoride solids crystallized on the crystallization plate, the crystallization plate can be fully contacted with the smoke, the smoke is prevented from being directly discharged out of the collecting cavity without contacting the crystallization plate, and the risk probability of endangering health of operators is further reduced.
Further, through setting up the structure of crystallization board, set up the cooling method of crystallization board simultaneously, in the position that is close to the gas vent, the temperature of crystallization board is in the minimum state, in the position that is in the air intake, and the temperature is in the maximum state, because the content of aluminium fluoride in the flue gas of air intake department is higher than the content of aluminium fluoride in the flue gas of gas vent department, ensures that the degree of aluminium fluoride crystallization is even at the wind-guiding passageway lateral wall, improves the efficiency to flue gas treatment.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an electroslag remelting device for steel ingot processing according to an embodiment of the invention;
fig. 2 is an exploded view of an electroslag remelting device for steel ingot processing according to an embodiment of the invention;
fig. 3 is a cross-sectional view of an electroslag remelting device for steel ingot processing according to an embodiment of the invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
fig. 5 is a schematic structural diagram of a crystallization plate, a partition plate, a plugging plate and the like in an electroslag remelting device for steel ingot processing according to an embodiment of the invention;
fig. 6 is a schematic structural diagram of a plugging plate and a crystallization plate in an electroslag remelting device for steel ingot processing according to an embodiment of the invention;
fig. 7 is a cross-sectional view of a plugging plate and a crystallization plate of an electroslag remelting device for steel ingot processing according to an embodiment of the invention;
fig. 8 is a state diagram of a tapping plumb arranged in an air guide channel of an electroslag remelting device for steel ingot processing according to an embodiment of the invention.
In the figure: 110. a reaction barrel; 120. a partition plate; 121. ventilation holes; 122. a second through groove; 123. spiral bulges; 130. a reaction chamber; 150. a plugging plate; 160. a crystallization plate; 161. a cooling cavity; 162. a water inlet; 163. a water outlet; 170. a cleaning plate; 171. a first through slot; 180. an exhaust port; 210. an air guide channel; 220. a first driving cylinder; 230. a second driving cylinder; 310. knocking a hammer; 320. a metal consumable electrode; 330. a first cooling jacket; 340. and a second cooling jacket.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 8, an electroslag remelting apparatus for steel ingot processing according to an embodiment of the present invention includes a reaction barrel 110, a partition 120, a blocking plate 150, and a cleaning plate 170.
The reaction barrel 110 is slightly cylindrical in shape, the reaction barrel 110 is vertically arranged, a first chamber is formed in the reaction barrel 110, and an opening is formed in the upper end of the reaction barrel 110 and communicated with the first chamber. Baffle 120 coaxial slip sets up in first cavity, and baffle 120's edge and reaction barrel 110 inside wall sliding connection, baffle 120 can separate first cavity into reaction chamber 130 and collection chamber, and reaction chamber 130 is in the below of collecting the chamber, is provided with a plurality of bleeder vents 121 that run through from top to bottom on the baffle 120, and the flue gas that generates in the reaction chamber 130 can get into the collection chamber through bleeder vent 121.
The plugging plate 150 is installed at the upper end of the reaction barrel 110, the plugging plate 150 always plugs the opening of the first chamber, the crystallization plate 160 is fixedly arranged on the plugging plate 150, the crystallization plate 160 is arranged in the collecting cavity, the partition plate 120 is arranged below the crystallization plate 160, and flue gas generated by the reaction of the reaction cavity 130 enters the collecting cavity and then acts on the crystallization plate 160. When the flue gas contacts the crystallization plate 160, the gaseous aluminum fluoride can be crystallized, the blocking plate 150 is provided with the exhaust port 180, the flue gas entering the collecting cavity can be discharged out of the collecting cavity through the exhaust port 180 after being cooled by the crystallization plate 160, the flue gas generated by the reaction in the reaction cavity 130 contains the gaseous aluminum fluoride, after the flue gas generated by the reaction in the reaction cavity 130 acts on the crystallization plate 160, the gaseous aluminum fluoride in the flue gas generated by the reaction in the reaction cavity 130 is crystallized on the crystallization plate 160 to form solid aluminum fluoride, and other substances in the flue gas are discharged out of the collecting cavity through the exhaust port 180.
The cleaning plate 170 is disposed in the collecting cavity, the cleaning plate 170 can slide up and down in the collecting cavity, the cleaning plate 170 is always abutted against the crystallization plate 160, and when the cleaning plate 170 slides in the collecting cavity, the cleaning plate 170 cleans the solid aluminum fluoride on the crystallization plate 160.
It can be understood that in the electroslag remelting device for steel ingot processing of the invention, electroslag remelting is performed in the reaction cavity 130, flue gas generated by reaction enters the collecting cavity through the air holes 121 on the partition plate 120, the crystallizing plate 160 is always in a low-temperature state because the crystallizing plate 160 is arranged in the collecting cavity, gaseous aluminum fluoride in the flue gas is crystallized on the crystallizing plate 160 after the flue gas contacts the crystallizing plate 160, the flue gas is discharged out of the collecting cavity through the air outlet 180 after contacting the crystallizing plate 160, and along with the continuous progress of the reaction, the cleaning plate 170 cleans aluminum fluoride solids crystallized on the crystallizing plate 160, so that the crystallizing plate 160 can be fully contacted with the flue gas, and the flue gas is prevented from being directly discharged out of the collecting cavity without contacting the crystallizing plate 160, thereby reducing the risk probability of endangering the health of operators.
In one embodiment, the crystallization plate 160 is configured in a vortex shape, the upper end of the crystallization plate 160 is fixedly connected to the blocking plate 150, and the lower end of the crystallization plate 160 can abut against the partition 120, so that the crystallization plate 160 has a vortex-shaped air guide channel 210. The end of the vortex-shaped wind guide channel 210 away from the spiral core is an air inlet. The exhaust port 180 of the blocking plate 150 is disposed at a position near the center of rotation of the scroll-shaped air guide passage 210, and the exhaust port 180 communicates with the air guide passage 210. In addition, the bleeder vent 121 sets up in the edge of baffle 120 for bleeder vent 121 is located the periphery of air guide channel 210, and the flue gas that reaction chamber 130 reaction produced gets into the collection chamber through bleeder vent 121 on the baffle 120, according to the setting of bleeder vent 121 position, ensures that the flue gas that gets into the collection chamber gets into air guide channel 210 through the air intake, and the flue gas can discharge the collection chamber through gas vent 180 after flowing along air guide channel 210, in this process, through setting up crystallization plate 160 into the vortex form, ensures that flue gas and crystallization plate 160 have sufficient area of contact, increases the efficiency to flue gas treatment, ensures that gaseous aluminum fluoride in the flue gas all can crystallize on crystallization plate 160.
In one embodiment, the cleaning plate 170 is coaxially disposed with the reaction tub 110, a first through groove 171 in a vortex shape is disposed on the cleaning plate 170, the first through groove 171 vertically penetrates the cleaning plate 170, the vortex direction of the first through groove 171 is the same as that of the crystallization plate 160, the crystallization plate 160 can pass through the first through groove 171 after being in a vortex shape, the cleaning plate 170 is tightly attached to the side wall of the air guide channel 210 of the crystallization plate 160, and when the cleaning plate 170 slides up and down along the collecting cavity, the cleaning plate 170 is ensured to clean the aluminum fluoride solids crystallized in the air guide channel 210, so that the solid aluminum fluoride is reduced to be accumulated in the air guide channel 210, and the solid aluminum fluoride is prevented from blocking the air guide channel 210.
In one embodiment, the crystallization plate 160 is hollow, the hollow cavity inside the crystallization plate 160 is a cooling cavity 161, a cooling agent is arranged in the cooling cavity 161, and the cooling cavity is communicated with a heat exchange circulation system so that the cooling agent inside the cooling cavity circularly flows. Specifically, the crystallization plate 160 is provided with a water inlet 162 and a water outlet 163 which are communicated with the cooling cavity 161, the water inlet 162 and the water outlet 163 are all arranged through the plugging plate 150, the water inlet 162 is arranged close to the rotation center of the air guide channel 210, and the water outlet 163 is arranged close to the air inlet of the air guide channel 210. The heat exchange circulation system is a cooling circulation pump, the cooling circulation pump can convey the cooling agent at the water outlet 163 into the cooling cavity 161 through the water inlet 162 after cooling, the cooling agent conveyed to the water inlet 162 by the cooling circulation pump is always in a low-temperature state, the cooling circulation pump can circulate the cooling agent in the cooling cavity 161, the crystallization plate 160 is always in a low-temperature state, and then aluminum fluoride gas in the flue gas can be crystallized when contacting the crystallization plate 160. Further, according to the arrangement of the positions of the water inlet 162 and the water outlet 163, the temperature of the air inlet close to the air guide channel 210 is higher than the temperature of the air outlet 180 close to the air guide channel 210, when a large amount of flue gas just enters the air guide channel 210, the content of gaseous aluminum fluoride in the flue gas is high, and as the flue gas flows along the air guide channel 210, the content of gaseous aluminum fluoride in the flue gas gradually decreases, but the lower the temperature is, the better the effect of crystallization of the gaseous aluminum fluoride is, the crystallization degree of the aluminum fluoride on the side wall of the air guide channel 210 is uniform, so that the treatment efficiency of the gaseous aluminum fluoride in the flue gas is improved, and the convenience of cleaning the air guide channel 210 by the cleaning plate 170 is further improved.
In one embodiment, the partition 120 is provided with a second through groove 122 having a vortex shape, the second through groove 122 penetrates the partition 120 up and down, the vortex direction of the second through groove 122 is the same as the vortex direction of the crystallization plate 160, the crystallization plate 160 can penetrate the second through groove 122, and the partition 120 can be attached to the side wall of the air guide channel 210. In the initial state, the partition board 120 is positioned at the lower end of the crystallization plate 160, the partition board 120 seals the lower end of the air guide channel 210, when the cleaning plate 170 cleans the solid aluminum fluoride on the side wall of the air guide channel 210, the solid aluminum fluoride on the side wall of the air guide channel 210 falls on the partition board 120, and then the partition board 120 is driven to slide downwards in the first chamber, so that the partition board 120 is not abutted against the crystallization plate 160 any more, the solid aluminum fluoride falling on the partition board 120 is gradually separated from the partition board 120, so that the solid aluminum fluoride enters the reaction chamber 130 again, and the aluminum fluoride can participate in the reaction again in the reaction chamber 130, thereby reducing the cost of the reaction.
Further, the partition 120 is provided with a spiral protrusion 123, the vertical section of the spiral protrusion 123 is triangular, and when the crystallization plate 160 penetrates through the second penetration groove 122, the spiral protrusion 123 can enter the air guide channel 210. When the cleaning plate 170 cleans the solid aluminum fluoride on the side wall of the air guide channel 210, the solid aluminum fluoride on the side wall of the air guide channel 210 falls on the spiral protrusion 123, after the partition plate 120 moves downwards in the first chamber, the spiral protrusion 123 is separated from the air guide channel 210, the solid aluminum fluoride falling on the spiral protrusion 123 is automatically separated from the partition plate 120 according to the triangle shape of the vertical section of the spiral protrusion 123, and the solid aluminum fluoride falling on the partition plate 120 is more easily separated from the partition plate 120 according to the arrangement of the spiral protrusion 123.
In one embodiment, the plugging plate 150 is provided with a first driving source and a second driving source, the first driving source is used for driving the cleaning plate 170 to slide up and down in the collecting cavity, specifically, the first driving source is a first driving cylinder 220, the first driving cylinder 220 is fixedly arranged on the plugging plate 150, the extension end of the first driving cylinder 220 is arranged to slide through the plugging plate 150, and the length change of the first driving cylinder 220 can synchronously drive the cleaning plate 170 to slide up and down in the collecting cavity. The second driving source is used to drive the partition 120 to slide up and down in the first chamber. Specifically, the second driving source is a second driving cylinder 230, the second driving cylinder 230 is fixedly disposed on the plugging plate 150, the extension end of the second driving cylinder 230 is slidably disposed through the plugging plate 150, and the length change of the second driving cylinder 230 can synchronously drive the partition plate 120 to slide up and down in the first chamber. When the cleaning plate 170 is required to clean the inner side wall of the air guide channel 210, the first driving cylinder 220 is controlled to extend reciprocally to ensure that the cleaning plate 170 can clean the solid hydrogen fluoride in the air guide channel 210; the second drive cylinder 230 is then controlled to extend to ensure that solid hydrogen fluoride falling on the partition 120 can escape from the partition 120 into the reaction chamber 130.
In a further embodiment, a striking hammer 310 is disposed in the air guide channel 210, and the striking hammer 310 is capable of being deformed. The cleaning plate 170 is provided with extrusion protrusions, the extrusion protrusions are in spiral shapes, the vertical sections of the extrusion protrusions are in conical shapes, when the cleaning plate 170 slides along the air guide channel 210, the extrusion protrusions on the cleaning plate 170 can extrude the knocking hammer 310, the knocking hammer 310 deforms, the knocking hammer 310 knocks the side wall of the air guide channel 210, solid aluminum fluoride attached to the side wall of the air guide channel 210 is knocked off on the partition plate 120, and the solid aluminum fluoride attached to the side wall of the air guide channel 210 is ensured to be completely cleaned.
Further, two knocking hammers 310 are disposed in the air guide channel 210, and when the cleaning plate 170 moves along the air guide channel 210 from top to bottom, the partition plate 120 moves synchronously from bottom to top in the air guide channel 210, and the spiral protrusions 123 on the partition plate 120 can squeeze the knocking hammers 310, so that the solid aluminum fluoride attached to the side wall of the air guide channel 210 can be cleaned rapidly.
In a further embodiment, a metal consumable electrode 320 is disposed in the reaction barrel 110, the metal consumable electrode 320 penetrates through the partition board 120, the cleaning board 170, the crystallization board 160 and the plugging board 150, one end of the metal consumable electrode 320 located in the reaction chamber 130 participates in the reaction chamber 130, and along with the continuous consumption of the metal consumable electrode 320, a worker can continuously push the metal consumable electrode 320 into the reaction chamber 130 during the reaction, so as to ensure that the reaction occurring in the reaction chamber 130 can continuously proceed.
Further, the reaction barrel 110 outside is provided with first cooling cover 330 and second cooling cover 340, first cooling cover 330 sets up in the periphery outside of reaction barrel 110, second cooling cover 340 sets up in the bottom of reaction barrel 110, form first chamber of holding between first cooling cover 330 and the reaction barrel 110 periphery wall, first intracavity that holds is provided with the coolant, form the second chamber of holding between second cooling cover 340 and the reaction barrel 110 bottom, the intracavity is provided with the coolant in the second and holds, be provided with the cooling circulating pump on the reaction barrel 110, the cooling circulating pump can keep the coolant in the first chamber of holding to cool down, and the cooling circulating pump can keep the coolant in the second chamber of holding to cool down, make first chamber and second chamber of holding keep the chamber to react 110 cooling, ensure that the material of reaction chamber 130 interior molten state solidifies the design.
In a further embodiment, a valve is provided at the exhaust port 180, the valve can seal the exhaust port 180, the valve is an electrically controlled valve, and when the first driving cylinder 220 or the second driving cylinder 230 is started, the valve is in a closed state, so that the flue gas which does not contact the crystallization plate 160 is prevented from escaping from the collection cavity from the exhaust port 180.
In a further embodiment, a flow detector is provided at the exhaust 180, which is capable of detecting the amount of smoke exhausted at the exhaust 180 per unit time. In the initial state, the cleaning plate 170 is set in the middle of the crystallization plate 160. When reaction occurs in the reaction cavity 130, the cavity in the reaction cavity 130 gradually decreases, the amount of smoke generated by the reaction in unit time is unchanged, the air pressure in the reaction cavity 130 gradually increases, the amount of smoke discharged through the exhaust port 180 in unit time increases, at this time, the first driving cylinder 220 continuously and slowly shortens, the first driving cylinder 220 drives the cleaning plate 170 to move on the crystallization plate 160, the size of the air guide channel 210 in the vertical direction gradually increases, the contact area between the smoke and the air guide channel 210 is increased, the generated smoke in the reaction cavity 130 is ensured to have enough air guide channel 210 to crystallize gaseous aluminum fluoride, in the process, the length of the first driving cylinder 220 is changed, the valve is not closed, and when the cleaning plate 170 cleans the solid aluminum fluoride on the side wall of the air guide channel 210, the valve is in a closed state, and untreated smoke is ensured to escape from the collection cavity from the exhaust port 180.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. An electroslag remelting device for steel ingot processing, characterized by comprising:
a reaction barrel which is provided with a first chamber with an upward opening;
the baffle plate is coaxially and slidably arranged in the first cavity, and can divide the first cavity into a reaction cavity and a collecting cavity; the baffle plate is provided with ventilation holes, and flue gas generated in the reaction cavity can enter the collection cavity through the ventilation holes;
the sealing plate always seals the opening of the first chamber, the crystallization plate is fixedly arranged on the sealing plate and arranged in the collecting cavity, the gaseous aluminum fluoride can be crystallized when the smoke contacts the crystallization plate, the sealing plate is provided with an exhaust port, and the smoke entering the collecting cavity can be discharged out of the collecting cavity through the exhaust port after contacting the crystallization plate;
and the cleaning plate can be slidably arranged in the collecting cavity and is used for cleaning the solid aluminum fluoride on the crystallization plate.
2. The electroslag remelting apparatus for steel ingot processing according to claim 1, wherein: the crystallization plate is arranged in a vortex shape, the upper end of the crystallization plate is fixedly connected with the plugging plate, and the lower end of the crystallization plate can be abutted against the partition plate, so that the crystallization plate is provided with a vortex-shaped air guide channel which is provided with an air inlet; the air holes are positioned at the periphery of the air guide channel, and the air exhaust openings are arranged at the positions of the vortex-shaped air guide channel close to the spiral core.
3. The electroslag remelting apparatus for steel ingot processing according to claim 2, wherein: the cleaning plate is provided with a first through groove in a vortex shape, the crystallization plate penetrates through the first through groove, and the cleaning plate is attached to the side wall of the air guide channel.
4. The electroslag remelting apparatus for steel ingot processing according to claim 2, wherein: the crystallization plate is internally provided with a cooling cavity, and the cooling cavity is internally provided with a cooling agent cooling cavity communicated with a heat exchange circulating system so as to enable the cooling agent in the crystallization plate to circularly flow.
5. An electroslag remelting apparatus for steel ingot processing as set forth in claim 3, wherein: the knocking hammer can be arranged in the air guide channel, and the cleaning plate can squeeze the knocking hammer when sliding in the air guide channel, so that the knocking hammer knocks the side wall of the air guide channel.
6. An electroslag remelting apparatus for steel ingot processing as set forth in claim 3, wherein: be provided with the second that is vortex form on the baffle and run through the groove, the crystallization board can run through the second and run through the groove, and the baffle can laminate the lateral wall of wind-guiding passageway.
7. The electroslag remelting apparatus for steel ingot processing as set forth in claim 6, wherein: the baffle is provided with a spiral bulge, the vertical section of the spiral bulge is triangular, and the spiral bulge can enter the air guide channel.
8. The electroslag remelting apparatus for steel ingot processing according to claim 1, wherein: the first driving source and the second driving source are arranged on the plugging plate, and the first driving source is used for driving the cleaning plate to slide up and down in the collecting cavity; the second driving source is used for driving the partition plate to slide up and down in the first cavity.
9. The electroslag remelting apparatus for steel ingot processing according to claim 1, wherein: the reaction barrel is internally provided with a metal consumable electrode, and the metal consumable electrode penetrates through the partition plate, the cleaning plate, the crystallization plate and the plugging plate.
10. The electroslag remelting apparatus for steel ingot processing according to claim 1, wherein: the reaction barrel outside is provided with first cooling cover and second cooling cover, and first cooling cover sets up in the periphery wall outside of reaction barrel, and the second cooling cover sets up in the bottom of reaction barrel.
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| CN113481378A (en) * | 2021-07-06 | 2021-10-08 | 安徽工业大学 | Solid slag start remelting method for reducing porosity and hydrogen content of bottom of electroslag ingot |
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| US6478839B1 (en) * | 1999-05-06 | 2002-11-12 | Ken Kansa | Method of induction-heat melting treatment of metal-oxide-containing powders and device therefor |
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| CN117821766B (en) | 2024-07-12 |
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